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121020112000212 = 223311288312525191
BaseRepresentation
bin11011100001000100110000…
…110010010101010011010100
3120212111102001200110221002020
4123201010300302111103110
5111330243142133001322
61105215512201213140
734330262123132265
oct3341046062252324
9525442050427066
10121020112000212
1135619383266587
12116a66127911b0
13526b1bc355a49
1421c55945d496c
15ded0268ad05c
hex6e1130c954d4

121020112000212 has 48 divisors (see below), whose sum is σ = 291491680026624. Its totient is φ = 39038427324000.

The previous prime is 121020112000211. The next prime is 121020112000213. The reversal of 121020112000212 is 212000211020121.

It is an interprime number because it is at equal distance from previous prime (121020112000211) and next prime (121020112000213).

It is a super-3 number, since 3×1210201120002123 (a number of 43 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121020112000191 and 121020112000200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121020112000211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46662537 + ... + 49187727.

It is an arithmetic number, because the mean of its divisors is an integer number (6072743333888).

Almost surely, 2121020112000212 is an apocalyptic number.

121020112000212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121020112000212 is an abundant number, since it is smaller than the sum of its proper divisors (170471568026412).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121020112000212 is a wasteful number, since it uses less digits than its factorization.

121020112000212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2654060 (or 2654058 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 121020112000212 its reverse (212000211020121), we get a palindrome (333020323020333).

The spelling of 121020112000212 in words is "one hundred twenty-one trillion, twenty billion, one hundred twelve million, two hundred twelve", and thus it is an aban number.

Divisors: 1 2 3 4 6 12 31 62 93 124 186 372 128831 257662 386493 515324 772986 1545972 2525191 3993761 5050382 7575573 7987522 10100764 11981283 15151146 15975044 23962566 30302292 47925132 78280921 156561842 234842763 313123684 469685526 939371052 325322881721 650645763442 975968645163 1301291526884 1951937290326 3903874580652 10085009333351 20170018666702 30255028000053 40340037333404 60510056000106 121020112000212